C# DevExpress - WinForm GridControl ImageCombo

           RepositoryItemImageComboBox imageCombo = new RepositoryItemImageComboBox();
           DevExpress.Utils.ImageCollection images = new DevExpress.Utils.ImageCollection();
           images.ImageSize = new Size(32, 32);
           images.AddImage(Image.FromFile("\\img\\Face_G.png"));
           images.AddImage(Image.FromFile("\\img\\Face_Y.png"));
           images.AddImage(Image.FromFile("\\img\\Face_R.png"));
           imageCombo.SmallImages = images;
           imageCombo.Items.Add(new ImageComboBoxItem("좋음", (string)"G", 0));
           imageCombo.Items.Add(new ImageComboBoxItem("보통", (string)"Y", 1));
           imageCombo.Items.Add(new ImageComboBoxItem("심각", (string)"R", 2));
           imageCombo.GlyphAlignment = DevExpress.Utils.HorzAlignment.Near;  // Center로 하면 이미지만 보임
           imageCombo.TextEditStyle = DevExpress.XtraEditors.Controls.TextEditStyles.DisableTextEditor;
           imageCombo.SelectedIndexChanged += ImageComboBoxEdit_SelectedIndexChanged;
           grd.RepositoryItems.Add(imageCombo);
           gv.Columns["s"].ColumnEdit = imageCombo;